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Finding the Fourth Proportional to 134,303.12, 201,457 and 45,558.92

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Solution

The fourth proportional to 134,303.12, 201,457 and 45,558.92 is: 68,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,303.12 : 201,457 = 45,558.92 : x
  2. Step 2: Convert to fraction form
    134,303.12/201,457 = 45,558.92/x
  3. Step 3: Cross multiply
    134,303.12x = 201,457 × 45,558.92
  4. Step 4: Simplify right side
    134,303.12x = 9,178,163,346.44
  5. Step 5: Solve for x
    x = 9,178,163,346.44/134,303.12
  6. Step 6: Final answer
    x = 68,339.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.